Which of the Following are Reference Types? [Resolved]

hi friends,I need the answers for the below questions. give the answer if you know the correct answer.

1. Which of the Following are Reference Types?A. Types declared NullableB. StringC. ExceptionD. All types derived from System.Object

2. Where us version information stored of an assembly?A. ManifestB. GACC. memory3. How can you sort the elements of the array in descending order?A. By calling ReverseSort();B. By calling SortReverse()C. By calling Descend()D. By calling Sort() and then Reverse() methods

4. What the 1st method that is fired during the page load?A. PreRender()B. Init()C. Load()D. Unload()